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Big Bore Kit 1070cc Custom

BMW R100 models from 9/80 on
Conrods 151,0 mm

1101101_1
Please inform me as soon as the product is available again.

€2,470.00

Prices incl. VAT, plus shipping costs

  • 1101101
Plug & Play Kit with clearance as far as the camshaft is concerned. “Piston capacity can only be... more
Big Bore Kit 1070cc Custom
Plug & Play Kit with clearance as far as the camshaft is concerned.

“Piston capacity can only be replaced by even more piston capacity” – this was the adopted motto during the company-internal development of the Siebenrock Big Bore Kit. The goal of this construction was to enhance the motor characteristics which were already outstanding thanks to the Power and Replacement Kits. We didn’t just say this, we went out and did it and the result for all BMW 1000 cc models from 1981 onwards was the 1070 cc Big Bore Kit, which turned out to be the ultimate solution for sporty touring riders. After modification, an amazing 80 hp is available at an engine torque of 92Nm. That’s what we call a convincing result.

This performance boost was achieved using 151 millimetre long, high-stability connecting rods which, when weight-optimized and fitted with ARP screws, only put 450 grams on the scales. Quite apart from this, 98 millimetre, weight-optimized pistons are used which only weigh 428 grams including the rings, bolts and clips. Thanks to the well-designed piston form, it is not necessary to adapt the cylinder head to the big bore.
All of the parts required to mount the kit are included within the scope of delivery.

Siebenrock product.
Each original Siebenrock product bears this seal that guarantees the highest quality possible, consistently optimized down to the last detail.

The scope of delivery includes the following parts:

2 cylinders with pistons
Piston rings
Connecting rod with ARP screws
Gasket set cylinder
Socket for connecting rod screws.

TIP
Conrod bearing shell, art.no. 1124460, must be ordered seperately !

With MOT/TÜV approval and installation instruction.
Price for the set.

For the classic BMW 2-valve Boxer models
R 100, R 100CS, R 100RS, R 100RT
Monolever Modelle R 100RS (x), R 100RT (x)
Paralever Modelle R 100GS (x), R 100R (x).

(x) = only permitted for vehicles up to 31.3.1994.

TIP
The use of dual ignition is strongly recommended.
Ready-to-install camshaft including camshaft gear and front camshaft bearing on request.
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Artikelbild Bearing shell conrod
BMW 2v Boxer models
Standard sized
€9.90
Prices incl. VAT, plus shipping costs
Part no. 1124460
Artikelbild Valve exhaust 38mm
BMW R 75 and R 80 models
€48.50
Prices incl. VAT, plus shipping costs
Part no. 1134453
Artikelbild Oilfilterset
BMW 2v Boxer models with oilcooler
OX36D two-piece Mahle
€14.65
Prices incl. VAT, plus shipping costs
Part no. 1142146
Artikelbild Valve intake 42mm
BMW 2v Boxer models from R 75/5 on
Not for R 45 and R 65
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134234
1134176_1 Valve spring
BMW 2-valve Boxer models
€5.25
Prices incl. VAT, plus shipping costs
Part no. 1134176
0758376_1 Silicone sealing compound
0.03 Liter (€465.00 / 1 Liter)
BMW 2V Boxer models
Drei Bond
Content 0.03 Liter (€465.00 * / 1 Liter)
€13.95
Prices incl. VAT, plus shipping costs
Part no. 0758376
Artikelbild Valve keeper
BMW R 45, R 65 models
€0.95
Prices incl. VAT, plus shipping costs
Part no. 1134136
Artikelbild Valve adjust screw "Sport" Set
BMW 2-valve Boxer models
€89.90
Prices incl. VAT, plus shipping costs
Part no. 1133330
Artikelbild Silencers Set
BMW /6 und /7 models
38mm
€349.00
Prices incl. VAT, plus shipping costs
Part no. 1811214
1134325_1 Valve keeper
BMW 2v Boxer models
Not for R 45 and R 65
€1.20
Prices incl. VAT, plus shipping costs
Part no. 1134325
Artikelbild Brake disc 2-2 perforation
BMW R 45, R 65, R 65GS, R 80G/S, R 80G/S PD, R 80ST
Deep shape
€195.00
Prices incl. VAT, plus shipping costs
Part no. 3411005
Artikelbild Mirror plastic
BMW Paralever Modelle
Short Left and right side
€29.90
Prices incl. VAT, plus shipping costs
Part no. 5116078
Artikelbild Piston Ring Set 1000cc / 860cc
BMW 2V Boxer models
€29.50
Prices incl. VAT, plus shipping costs
Part no. 1125399
Artikelbild Gearbox gasket set
BMW 2-valve Boxer models
5-speed with kick starter
€54.89
Prices incl. VAT, plus shipping costs
Part no. 2300596
Artikelbild Cylinder gasket set
For Power Kit 1000cc, Replacement Kit 1000cc
and BMW R 100 models from 9/1980 on
€44.90
Prices incl. VAT, plus shipping costs
Part no. 1100101
Artikelbild Valve Intake 44mm
BMW R 100 models
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134751
Artikelbild Valve exhaust 40mm
BMW R 90, R 100 models
30° lead-free
€48.50
Prices incl. VAT, plus shipping costs
Part no. 1134285
Artikelbild Airfilter
BMW 2-vave Boxer models from 9/80 on
LX56 Mahle
€20.90
Prices incl. VAT, plus shipping costs
Part no. 1372080
Artikelbild Oilfilter
BMW 2v Boxer without oilcooler
OX35 one-piece Mahle
€8.95
Prices incl. VAT, plus shipping costs
Part no. 1142035
4663640_1 Battery cover
BMW R 80G/S, R 80ST, R 65GS
Right side
€29.50
Prices incl. VAT, plus shipping costs
Part no. 4663640
Artikelbild Wind deflector. Windshield
BMW R 65GS, R 80G/S, R 80G/S PD, R 80GS, R 100GS
€98.00
Prices incl. VAT, plus shipping costs
Part no. 4663902
Artikelbild Oil pan gasket
BMW 2-valve Boxer models
€6.95
Prices incl. VAT, plus shipping costs
Part no. 1113427
Artikelbild Simplex chain with master link
BMW 2v Boxer models from 9/78 on
€26.95
Prices incl. VAT, plus shipping costs
Part no. 1131934
Artikelbild Valve Exhaust 40mm
BMW R 80, R 90, R 100 models
45°
€58.00
Prices incl. VAT, plus shipping costs
Part no. 1134837
Artikelbild Grip rubberRight side Square-cut Black
BMW 2-valve Boxer models
€7.95
Prices incl. VAT, plus shipping costs
Part no. 3272812
Artikelbild Main bearing crankshaft
BMW 2-valve Boxer models
Standard red
€39.50
Prices incl. VAT, plus shipping costs
Part no. 1111155
Artikelbild Wind deflector mounting kit
BMW R 65GS, R 80G/S, R 80GS, R 100GS, R 80GS Basic
€17.90
Prices incl. VAT, plus shipping costs
Part no. 4663911
Artikelbild Big Bore Kit 1070cc
BMW R 100 models from 9/80 on
Conrods 151,0 mm
€2,750.00
Prices incl. VAT, plus shipping costs
Part no. 1101100
Artikelbild Big Bore Kit 1070cc Touring
BMW R 100 models from 9/80 on
Conrods 150,5mm
€2,870.00
Prices incl. VAT, plus shipping costs
Part no. 1101110
NEW
1101111_1 Big Bore Kit 1070cc Touring
BMW R 100 models from 9/80 on
Conrods 150,5mm
€2,590.00
Prices incl. VAT, plus shipping costs
Part no. 1101111
NEW
1133636_1 Sport tappet, Cam follower Black
BMW 2V Boxer models
3 windows
€98.00
Prices incl. VAT, plus shipping costs
Part no. 1133636
Artikelbild Power Kit 1000cc Plug & Play
BMW R 80, R 80RT, R 80G/S, R 80ST, R 80GS, R 80R
€969.00
Prices incl. VAT, plus shipping costs
Part no. 1100080
Artikelbild Power Kit Extra 1000cc Stainless steel push rod tubes
BMW R 80, R 80RT, R 80G/S, R 80ST, R 80GS, R 80R
€1,049.00
Prices incl. VAT, plus shipping costs
Part no. 1100082
NEW
1133637_1 Sport tappet, Cam follower Gold
BMW 2V Boxer models
3 windows
€109.00
Prices incl. VAT, plus shipping costs
Part no. 1133637
1100103_1 Replacement Kit Extra 1000cc Plug & Play
BMW R 100, R 100CS, R 100RS, R 100RT, R 100GS, R 100R
From 09/180 on
€1,049.00
Prices incl. VAT, plus shipping costs
Part no. 1100103
Artikelbild Cylinder for Big Bore Kit
98mm
€446.00
Prices incl. VAT, plus shipping costs
Part no. 1109010
Artikelbild Power Kit 860cc Plug & Play
BMW R 45 up to 9/80
€999.00
Prices incl. VAT, plus shipping costs
Part no. 1100861
Artikelbild Double ignition kit
BMW 2v Boxer models from 9/78 on
Silent Hektik
€585.00
Prices incl. VAT, plus shipping costs
Part no. 1200100
Artikelbild Piston for Big Bore Kit
BMW R 100 models
98mm complete with 3 rings
€399.00
Prices incl. VAT, plus shipping costs
Part no. 1109022
11661002_1 Cylinder head Krauser
Krauser 4-valve / MKM
Left side
€395.00
Prices incl. VAT, plus shipping costs
Part no. 11661002
Artikelbild Asymmetrical camshaft
BMW 2v Boxer models from 9/78 on
€298.00
Prices incl. VAT, plus shipping costs
Part no. 1131800
Artikelbild Power Kit 860cc Plug & Play
BMW R 65 9/80 on, R 65LS, R 65 Mono, 48hp
€969.00
Prices incl. VAT, plus shipping costs
Part no. 1100870
SHZ2335_1 Alternator410W three-phase with PowerBlock
BMW 2V Boxer models
Digital single ignition 107mm centering
€989.00
Prices incl. VAT, plus shipping costs
Part no. SHZ2335
Artikelbild Power Kit 860cc Plug & Play
BMW R 45 from 9/80, R 65GS, R 65 Mono 27hp
€969.00
Prices incl. VAT, plus shipping costs
Part no. 1100860
Artikelbild Power Kit Extra 1000cc 99mm Stainless steel pushrod tubes
BMW R 75/6, R 90/6, R 90S, R 75/7, R 80/7, R 80RT

€1,079.00
Prices incl. VAT, plus shipping costs
Part no. 1100085
Artikelbild Replacement Kit 1000cc Plug & Play
BMW R 100, R 100CS, R 100RS, R 100RT, R 100GS, R 100R
From 9/1980 on
€969.00
Prices incl. VAT, plus shipping costs
Part no. 1100100
11662103_1 Installation instruction Krauser
Krauser 4-valve / MKM
€5.01
Prices incl. VAT, plus shipping costs
Part no. 11662103
Artikelbild Complete exhaust system
BMW R 80G/S
€1,440.00
Prices incl. VAT, plus shipping costs
Part no. 1812010
Artikelbild Piston for Power Kit 1000cc
BMW 2-valve Boxer models
€199.00
Prices incl. VAT, plus shipping costs
Part no. 1100120
Artikelbild Valve cover Touring
BMW 2-valve Boxer models
With Oil filler opening
€109.50
Prices incl. VAT, plus shipping costs
Part no. 1112244
Artikelbild Cylinder head Gasket
BMW 2V Boxer with BIg Bore Kit 1070
€44.90
Prices incl. VAT, plus shipping costs
Part no. 1125401
NEW
11661910_1 Valve cover Krauser Right side
Krauser 4-valve / MKM
Black Polished lettering
€179.00
Prices incl. VAT, plus shipping costs
Part no. 11661910
Artikelbild Piston ring set 98mm
For Big Bore Kit piston
€89.00
Prices incl. VAT, plus shipping costs
Part no. 1109033
Artikelbild Conrod
For Big Bore Kit
151,0 mm
€272.00
Prices incl. VAT, plus shipping costs
Part no. 1109045
Artikelbild Replacement Kit Extra 1000cc 99mm Plug & Play
BMW R 100/7, R 100S, R 100RS, R 100RT
Up to 9/1980
€1,079.00
Prices incl. VAT, plus shipping costs
Part no. 1100105
Artikelbild Valve cover Classic BMW 2-valve R 45 up to R 100R
BMW 2v Boxer
€48.50
Prices incl. VAT, plus shipping costs
Part no. 1112240
Artikelbild Camshaft Sport 320°
BMW 2v Boxer models from 9/78 on
€329.00
Prices incl. VAT, plus shipping costs
Part no. 1131824
Artikelbild Power Kit 860cc Plug & Play
BMW R 65 up to 9/80
€999.00
Prices incl. VAT, plus shipping costs
Part no. 1100871
Artikelbild Sport tappet, Cam follower
BMW 2-valve Boxer models
Wank
€119.00
Prices incl. VAT, plus shipping costs
Part no. 1133638
Artikelbild Power Kit Extra 1000cc 97mm Plug & Play
BMW R 75/5, R 75/6, R 90/6 , R 90S,up to 9/7
€1,029.00
Prices incl. VAT, plus shipping costs
Part no. 1100072
Artikelbild Power Kit 1000cc 99mm Plug & Play
BMW R 75/6, R 75/7, R 80/7, R 90/6, R 90S
€998.00
Prices incl. VAT, plus shipping costs
Part no. 1100084
NEW
1112345_1 Valve cover Siebenrock 4 ribs
BMW 2V Boxer models
Classic look with polished edges
€72.00
Prices incl. VAT, plus shipping costs
Part no. 1112345
NEW
1109016_1 Piston Ring Tensioner Pliers
For Power Kit, Replacement Kit, Big Bore Kit.
€79.80
Prices incl. VAT, plus shipping costs
Part no. 1109016
Artikelbild Testing and adjustment equipment
BMW 2v Boxer models
For Hall sensor
€39.65
Prices incl. VAT, plus shipping costs
Part no. 1200087
Artikelbild Sport header Set
BMW /5, /6,/7 models up to 9/80
38mm
€229.00
Prices incl. VAT, plus shipping costs
Part no. 1811660
Artikelbild Complete exhaust system
BMW R 80G/S PD
Chrome
€1,440.00
Prices incl. VAT, plus shipping costs
Part no. 1812920
Artikelbild Camshaft Sport 320°
BMW 2v Boxer models from 9/78 on
€329.00
Prices incl. VAT, plus shipping costs
Part no. 1131820
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